Doctor profile · Federal record

Dr. Olga Grishenkova, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Hartford, CT

  • NPI 1306316559
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 Seymour St
Hartford, CT 061028000
(860) 545-5000
Mailing address
99 East River Drive, 5Th Floor
East Hartford, CT 061087301

Credentials & registration

NPPES · NUCC
NPI registered
November 2018 — 8 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Connecticut #111864

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306316559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
3
Medicare allowed
$3,988
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 19 18 $90
00732 Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 12 12 $119
00811 Anesthesia for other procedure on large bowel using an endoscope 11 11 $77

In context: peer comparison

Among 49 peers in this city , average services per provider: 33. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Olga Grishenkova's medical specialty?
Dr. Olga Grishenkova practices Certified Registered Nurse Anesthetist in Hartford, CT.
Where does Dr. Olga Grishenkova practice?
Dr. Olga Grishenkova practices at 80 Seymour St, Hartford, CT 061028000. Office phone: 8605455000.
What is Dr. Olga Grishenkova's NPI?
Dr. Olga Grishenkova's National Provider Identifier (NPI) is 1306316559, issued by NPPES.
Does Dr. Olga Grishenkova accept Medicare assignment?
Yes. Dr. Olga Grishenkova accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olga Grishenkova commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope (HCPCS 00732); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.